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GlobalEventHandlers.onmouseover

The onmouseover property returns the onMouseOver event handler code on the current element.

Syntax

element.onmouseover = event handling code

Example

<!doctype html>  
<html>  
<head>  
<title>onmouseover/onmouseout event example</title>  
<script type="text/javascript">  
    function initElement()  
    {  
        var p = document.getElementById("foo");  

        p.onmouseover = showMouseOver;
        p.onmouseout = showMouseOut;
    };  

    function showMouseOver()  
    {  
        var notice = document.getElementById("notice");
        notice.innerHTML = 'mouse over detected';
    }
    
    function showMouseOut()
    {
        var notice = document.getElementById("notice");
        notice.innerHTML = 'mouse out detected';
    }


</script>  
<style type="text/css">  
    #foo {  
    border: solid blue 2px;  
    }  
</style>  
</head>  
<body onload="initElement();">  
    <span id="foo">My Event Element</span>
    <p>move your mouse over and out the above element.</p>  
    <div id="notice"></div>
</body>  
</html>

Notes

The mouseover event is raised when the user moves the mouse over a particular element.

Specifications

Specification	Status	Comment
HTML Living Standard The definition of 'onmouseover' in that specification.	Living Standard

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	Yes	Yes	Yes	Yes	Yes	Yes

	Mobile
	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	iOS Safari	Samsung Internet
Basic support	Yes	Yes	Yes	Yes	Yes	Yes	Yes

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https://developer.mozilla.org/en-US/docs/Web/API/GlobalEventHandlers/onmouseover